package net.minecraft.block;

import java.util.List;
import java.util.Random;
import net.minecraft.block.material.Material;
import net.minecraft.block.properties.IProperty;
import net.minecraft.block.properties.PropertyEnum;
import net.minecraft.block.state.BlockState;
import net.minecraft.block.state.IBlockState;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.stats.StatList;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.BlockPos;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.IStringSerializable;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;
import net.minecraft.world.biome.BiomeColorHelper;

public class BlockDoublePlant extends BlockBush implements IGrowable {
	public static final PropertyEnum<BlockDoublePlant.EnumPlantType> VARIANT = PropertyEnum.<BlockDoublePlant.EnumPlantType>create(
			"variant", BlockDoublePlant.EnumPlantType.class);
	public static final PropertyEnum<BlockDoublePlant.EnumBlockHalf> HALF = PropertyEnum.<BlockDoublePlant.EnumBlockHalf>create(
			"half", BlockDoublePlant.EnumBlockHalf.class);
	public static final PropertyEnum<EnumFacing> field_181084_N = BlockDirectional.FACING;

	public BlockDoublePlant() {
		super(Material.vine);
		this.setDefaultState(
				this.blockState.getBaseState().withProperty(VARIANT, BlockDoublePlant.EnumPlantType.SUNFLOWER)
						.withProperty(HALF, BlockDoublePlant.EnumBlockHalf.LOWER)
						.withProperty(field_181084_N, EnumFacing.NORTH));
		this.setHardness(0.0F);
		this.setStepSound(soundTypeGrass);
		this.setUnlocalizedName("doublePlant");
	}

	public void setBlockBoundsBasedOnState(IBlockAccess worldIn, BlockPos pos) {
		this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
	}

	public BlockDoublePlant.EnumPlantType getVariant(IBlockAccess worldIn, BlockPos pos) {
		IBlockState iblockstate = worldIn.getBlockState(pos);

		if (iblockstate.getBlock() == this) {
			iblockstate = this.getActualState(iblockstate, worldIn, pos);
			return (BlockDoublePlant.EnumPlantType) iblockstate.getValue(VARIANT);
		} else {
			return BlockDoublePlant.EnumPlantType.FERN;
		}
	}

	public boolean canPlaceBlockAt(World worldIn, BlockPos pos) {
		return super.canPlaceBlockAt(worldIn, pos) && worldIn.isAirBlock(pos.up());
	}

	/**
	 * Whether this Block can be replaced directly by other blocks (true for e.g.
	 * tall grass)
	 */
	public boolean isReplaceable(World worldIn, BlockPos pos) {
		IBlockState iblockstate = worldIn.getBlockState(pos);

		if (iblockstate.getBlock() != this) {
			return true;
		} else {
			BlockDoublePlant.EnumPlantType blockdoubleplant$enumplanttype = (BlockDoublePlant.EnumPlantType) this
					.getActualState(iblockstate, worldIn, pos).getValue(VARIANT);
			return blockdoubleplant$enumplanttype == BlockDoublePlant.EnumPlantType.FERN
					|| blockdoubleplant$enumplanttype == BlockDoublePlant.EnumPlantType.GRASS;
		}
	}

	protected void checkAndDropBlock(World worldIn, BlockPos pos, IBlockState state) {
		if (!this.canBlockStay(worldIn, pos, state)) {
			boolean flag = state.getValue(HALF) == BlockDoublePlant.EnumBlockHalf.UPPER;
			BlockPos blockpos = flag ? pos : pos.up();
			BlockPos blockpos1 = flag ? pos.down() : pos;
			Block block = (Block) (flag ? this : worldIn.getBlockState(blockpos).getBlock());
			Block block1 = (Block) (flag ? worldIn.getBlockState(blockpos1).getBlock() : this);

			if (block == this) {
				worldIn.setBlockState(blockpos, Blocks.air.getDefaultState(), 2);
			}

			if (block1 == this) {
				worldIn.setBlockState(blockpos1, Blocks.air.getDefaultState(), 3);

				if (!flag) {
					this.dropBlockAsItem(worldIn, blockpos1, state, 0);
				}
			}
		}
	}

	public boolean canBlockStay(World worldIn, BlockPos pos, IBlockState state) {
		if (state.getValue(HALF) == BlockDoublePlant.EnumBlockHalf.UPPER) {
			return worldIn.getBlockState(pos.down()).getBlock() == this;
		} else {
			IBlockState iblockstate = worldIn.getBlockState(pos.up());
			return iblockstate.getBlock() == this && super.canBlockStay(worldIn, pos, iblockstate);
		}
	}

	/**
	 * Get the Item that this Block should drop when harvested.
	 */
	public Item getItemDropped(IBlockState state, Random rand, int fortune) {
		if (state.getValue(HALF) == BlockDoublePlant.EnumBlockHalf.UPPER) {
			return null;
		} else {
			BlockDoublePlant.EnumPlantType blockdoubleplant$enumplanttype = (BlockDoublePlant.EnumPlantType) state
					.getValue(VARIANT);
			return blockdoubleplant$enumplanttype == BlockDoublePlant.EnumPlantType.FERN ? null
					: (blockdoubleplant$enumplanttype == BlockDoublePlant.EnumPlantType.GRASS
							? (rand.nextInt(8) == 0 ? Items.wheat_seeds : null)
							: Item.getItemFromBlock(this));
		}
	}

	/**
	 * Gets the metadata of the item this Block can drop. This method is called when
	 * the block gets destroyed. It returns the metadata of the dropped item based
	 * on the old metadata of the block.
	 */
	public int damageDropped(IBlockState state) {
		return state.getValue(HALF) != BlockDoublePlant.EnumBlockHalf.UPPER
				&& state.getValue(VARIANT) != BlockDoublePlant.EnumPlantType.GRASS
						? ((BlockDoublePlant.EnumPlantType) state.getValue(VARIANT)).getMeta()
						: 0;
	}

	public int colorMultiplier(IBlockAccess worldIn, BlockPos pos, int renderPass) {
		BlockDoublePlant.EnumPlantType blockdoubleplant$enumplanttype = this.getVariant(worldIn, pos);
		return blockdoubleplant$enumplanttype != BlockDoublePlant.EnumPlantType.GRASS
				&& blockdoubleplant$enumplanttype != BlockDoublePlant.EnumPlantType.FERN ? 16777215
						: BiomeColorHelper.getGrassColorAtPos(worldIn, pos);
	}

	public void placeAt(World worldIn, BlockPos lowerPos, BlockDoublePlant.EnumPlantType variant, int flags) {
		worldIn.setBlockState(lowerPos, this.getDefaultState().withProperty(HALF, BlockDoublePlant.EnumBlockHalf.LOWER)
				.withProperty(VARIANT, variant), flags);
		worldIn.setBlockState(lowerPos.up(),
				this.getDefaultState().withProperty(HALF, BlockDoublePlant.EnumBlockHalf.UPPER), flags);
	}

	/**
	 * Called by ItemBlocks after a block is set in the world, to allow post-place
	 * logic
	 */
	public void onBlockPlacedBy(World worldIn, BlockPos pos, IBlockState state, EntityLivingBase placer,
			ItemStack stack) {
		worldIn.setBlockState(pos.up(), this.getDefaultState().withProperty(HALF, BlockDoublePlant.EnumBlockHalf.UPPER),
				2);
	}

	public void harvestBlock(World worldIn, EntityPlayer player, BlockPos pos, IBlockState state, TileEntity te) {
		if (worldIn.isRemote || player.getCurrentEquippedItem() == null
				|| player.getCurrentEquippedItem().getItem() != Items.shears
				|| state.getValue(HALF) != BlockDoublePlant.EnumBlockHalf.LOWER
				|| !this.onHarvest(worldIn, pos, state, player)) {
			super.harvestBlock(worldIn, player, pos, state, te);
		}
	}

	public void onBlockHarvested(World worldIn, BlockPos pos, IBlockState state, EntityPlayer player) {
		if (state.getValue(HALF) == BlockDoublePlant.EnumBlockHalf.UPPER) {
			if (worldIn.getBlockState(pos.down()).getBlock() == this) {
				if (!player.capabilities.isCreativeMode) {
					IBlockState iblockstate = worldIn.getBlockState(pos.down());
					BlockDoublePlant.EnumPlantType blockdoubleplant$enumplanttype = (BlockDoublePlant.EnumPlantType) iblockstate
							.getValue(VARIANT);

					if (blockdoubleplant$enumplanttype != BlockDoublePlant.EnumPlantType.FERN
							&& blockdoubleplant$enumplanttype != BlockDoublePlant.EnumPlantType.GRASS) {
						worldIn.destroyBlock(pos.down(), true);
					} else if (!worldIn.isRemote) {
						if (player.getCurrentEquippedItem() != null
								&& player.getCurrentEquippedItem().getItem() == Items.shears) {
							this.onHarvest(worldIn, pos, iblockstate, player);
							worldIn.setBlockToAir(pos.down());
						} else {
							worldIn.destroyBlock(pos.down(), true);
						}
					} else {
						worldIn.setBlockToAir(pos.down());
					}
				} else {
					worldIn.setBlockToAir(pos.down());
				}
			}
		} else if (player.capabilities.isCreativeMode && worldIn.getBlockState(pos.up()).getBlock() == this) {
			worldIn.setBlockState(pos.up(), Blocks.air.getDefaultState(), 2);
		}

		super.onBlockHarvested(worldIn, pos, state, player);
	}

	private boolean onHarvest(World worldIn, BlockPos pos, IBlockState state, EntityPlayer player) {
		BlockDoublePlant.EnumPlantType blockdoubleplant$enumplanttype = (BlockDoublePlant.EnumPlantType) state
				.getValue(VARIANT);

		if (blockdoubleplant$enumplanttype != BlockDoublePlant.EnumPlantType.FERN
				&& blockdoubleplant$enumplanttype != BlockDoublePlant.EnumPlantType.GRASS) {
			return false;
		} else {
			player.triggerAchievement(StatList.mineBlockStatArray[Block.getIdFromBlock(this)]);
			int i = (blockdoubleplant$enumplanttype == BlockDoublePlant.EnumPlantType.GRASS
					? BlockTallGrass.EnumType.GRASS
					: BlockTallGrass.EnumType.FERN).getMeta();
			spawnAsEntity(worldIn, pos, new ItemStack(Blocks.tallgrass, 2, i));
			return true;
		}
	}

	/**
	 * returns a list of blocks with the same ID, but different meta (eg: wood
	 * returns 4 blocks)
	 */
	public void getSubBlocks(Item itemIn, CreativeTabs tab, List<ItemStack> list) {
		for (BlockDoublePlant.EnumPlantType blockdoubleplant$enumplanttype : BlockDoublePlant.EnumPlantType.values()) {
			list.add(new ItemStack(itemIn, 1, blockdoubleplant$enumplanttype.getMeta()));
		}
	}

	public int getDamageValue(World worldIn, BlockPos pos) {
		return this.getVariant(worldIn, pos).getMeta();
	}

	/**
	 * Whether this IGrowable can grow
	 */
	public boolean canGrow(World worldIn, BlockPos pos, IBlockState state, boolean isClient) {
		BlockDoublePlant.EnumPlantType blockdoubleplant$enumplanttype = this.getVariant(worldIn, pos);
		return blockdoubleplant$enumplanttype != BlockDoublePlant.EnumPlantType.GRASS
				&& blockdoubleplant$enumplanttype != BlockDoublePlant.EnumPlantType.FERN;
	}

	public boolean canUseBonemeal(World worldIn, Random rand, BlockPos pos, IBlockState state) {
		return true;
	}

	public void grow(World worldIn, Random rand, BlockPos pos, IBlockState state) {
		spawnAsEntity(worldIn, pos, new ItemStack(this, 1, this.getVariant(worldIn, pos).getMeta()));
	}

	/**
	 * Convert the given metadata into a BlockState for this Block
	 */
	public IBlockState getStateFromMeta(int meta) {
		return (meta & 8) > 0 ? this.getDefaultState().withProperty(HALF, BlockDoublePlant.EnumBlockHalf.UPPER)
				: this.getDefaultState().withProperty(HALF, BlockDoublePlant.EnumBlockHalf.LOWER).withProperty(VARIANT,
						BlockDoublePlant.EnumPlantType.byMetadata(meta & 7));
	}

	/**
	 * Get the actual Block state of this Block at the given position. This applies
	 * properties not visible in the metadata, such as fence connections.
	 */
	public IBlockState getActualState(IBlockState state, IBlockAccess worldIn, BlockPos pos) {
		if (state.getValue(HALF) == BlockDoublePlant.EnumBlockHalf.UPPER) {
			IBlockState iblockstate = worldIn.getBlockState(pos.down());

			if (iblockstate.getBlock() == this) {
				state = state.withProperty(VARIANT, iblockstate.getValue(VARIANT));
			}
		}

		return state;
	}

	/**
	 * Convert the BlockState into the correct metadata value
	 */
	public int getMetaFromState(IBlockState state) {
		return state.getValue(HALF) == BlockDoublePlant.EnumBlockHalf.UPPER
				? 8 | ((EnumFacing) state.getValue(field_181084_N)).getHorizontalIndex()
				: ((BlockDoublePlant.EnumPlantType) state.getValue(VARIANT)).getMeta();
	}

	protected BlockState createBlockState() {
		return new BlockState(this, new IProperty[] { HALF, VARIANT, field_181084_N });
	}

	/**
	 * Get the OffsetType for this Block. Determines if the model is rendered
	 * slightly offset.
	 */
	public Block.EnumOffsetType getOffsetType() {
		return Block.EnumOffsetType.XZ;
	}

	public static enum EnumBlockHalf implements IStringSerializable {
		UPPER, LOWER;

		public String toString() {
			return this.getName();
		}

		public String getName() {
			return this == UPPER ? "upper" : "lower";
		}
	}

	public static enum EnumPlantType implements IStringSerializable {
		SUNFLOWER(0, "sunflower"), SYRINGA(1, "syringa"), GRASS(2, "double_grass", "grass"),
		FERN(3, "double_fern", "fern"), ROSE(4, "double_rose", "rose"), PAEONIA(5, "paeonia");

		private static final BlockDoublePlant.EnumPlantType[] META_LOOKUP = new BlockDoublePlant.EnumPlantType[values().length];
		private final int meta;
		private final String name;
		private final String unlocalizedName;

		private EnumPlantType(int meta, String name) {
			this(meta, name, name);
		}

		private EnumPlantType(int meta, String name, String unlocalizedName) {
			this.meta = meta;
			this.name = name;
			this.unlocalizedName = unlocalizedName;
		}

		public int getMeta() {
			return this.meta;
		}

		public String toString() {
			return this.name;
		}

		public static BlockDoublePlant.EnumPlantType byMetadata(int meta) {
			if (meta < 0 || meta >= META_LOOKUP.length) {
				meta = 0;
			}

			return META_LOOKUP[meta];
		}

		public String getName() {
			return this.name;
		}

		public String getUnlocalizedName() {
			return this.unlocalizedName;
		}

		static {
			for (BlockDoublePlant.EnumPlantType blockdoubleplant$enumplanttype : values()) {
				META_LOOKUP[blockdoubleplant$enumplanttype.getMeta()] = blockdoubleplant$enumplanttype;
			}
		}
	}
}
